<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片区域 -->
        <el-card>
            <el-row :gutter='20'>
                <el-col :span='8'>
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getListData()">
                        <el-button slot="append" icon="el-icon-search" @click="getListData()"></el-button>
                    </el-input>
                </el-col>
                <el-col :span='4'>
                    <el-button type="primary" @click="addGoods">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 商品列表数据 -->
            <el-table :data="listData" style="width: 100%">
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column prop="goods_name" label="商品名称"></el-table-column>
                <el-table-column prop="goods_price" label="商品价格(元)" width="95px"></el-table-column>
                <el-table-column prop="goods_weight" label="商品重量" width="95px"></el-table-column>
                <el-table-column prop="add_time" label="创建时间" width="170px">
                    <template slot-scope='scope'>
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" @click="editGoodsList"></el-button>
                        <el-button type="danger" icon="el-icon-delete" @click="deleteGoodsList(scope.row.goods_id)">
                        </el-button>
                    </template>
                </el-table-column>

            </el-table>
            <!-- 分页功能 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                listData: [],
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 5
                },
                total: 0,

            }
        },
        created() {
            this.getListData()
        },
        methods: {
            async getListData() {
                const { data: res } = await this.$http.get('goods', {
                    params: this.queryInfo
                })
                if (res.meta.status !== 200) {
                    return res.$message.error('获取商品列表失败')
                }
                console.log(res);
                this.listData = res.data.goods
                this.total = res.data.total
                this.queryInfo.pagenum = res.data.pagenum
            },
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize
                this.getListData()
            },
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage
                this.getListData()
            },
            // 删除商品
            async deleteGoodsList(id) {
                const ret = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(error => error)
                if (ret !== 'confirm') {
                    return this.$message.info('已取消删除该商品')
                }
                const { data: res } = await this.$http.delete('goods/' + id)
                if (res.meta.status !== 200) {
                    return this.$message.error('删除商品失败')
                }
                this.$message.success('删除商品成功')
                this.getListData()
            },
            // 添加商品
            addGoods(){
                this.$router.push('/goods/add')
            }
        }
    }
</script>

<style lang="less" scoped>
</style>